AD 2006-10-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab | 340B | Airworthiness Directives; Saab Model SAAB-Fairchild SF340A (SAAB/SF340A) and SAAB 340B Airplanes |
Unsafe Condition
A cracked uplock axle of the main landing gear (MLG) shock strut caused by hydrogen embrittlement during the manufacturing process. This could lead to failure of the uplock mechanism, combined with a loss of hydraulic pressure, resulting in an uncommanded extension of the MLG.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the uplock axle of the MLG shock strut to determine if an affected serial number is installed. Replace any uplock axle with an affected serial number with a new one before further flight.
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Compliance Time
Within 6 months after the effective date of this AD.
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Affected Aircraft
Saab Model SAAB-Fairchild SF340A (SAAB/SF340A) and SAAB 340B airplanes, certificated in any category; serial numbers SAAB SF340A-004 through -159 inclusive, and SAAB 340B-160 through -459 inclusive.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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